Friday Harbor Airport Weather Forecast

    • 44
    • 63

    Rain Likely

    • 46
    • 62

    Chance Rain

    • 48
    • 65

    Mostly Cloudy

    • 48
    • 66

    Chance Rain

    • 48
    • 67

    Slight Chance Rain

    • 49
    • 68

    Partly Sunny

Today 5 Jun San Juan County

A chance of Showers until late afternoon. A slight chance of Thunderstorms in the afternoon. Showers likely late in the afternoon. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Highs in the upper 50s to mid 60s. South wind to 10 Mph.

Tonight 5 Jun San Juan County

Mostly cloudy with a chance of Showers. Lows in the 40s. Southwest wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Friday Harbor Airport Temperature Statistics

June Temperature

Friday Harbor Airport (0 miles)

  • Lowest 1 June, 2026

    44.1 °F

  • Average June

    60.9 °F

  • Highest 2 June, 2026

    79 °F

Climate (2021–Present)

Friday Harbor Airport (0 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
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